position: relative;
}

@media screen and (min-width: 45rem) {
	.main-content {
		display: flex;
	}
}

/* User guide navigation appears for desktops */
@media screen and (min-width: 64rem) {
	.docs-navigation {
		flex: 0 0 auto;
		width: 13.75rem;
	}

	.main-content>.appendix,
	.main-content>.book,
	.main-content>.chapter {
		flex: 0 0 auto;
		margin: 0 auto;
	}